How Difficult is it to Spin a Ball?

I Built a Transparent Boomerang (it's lethal)

I Built a Supersonic NERF Blaster

I Built an Extremely Powerful Slingshot

I Built a Transparent Katana

I Built a Whip that Crushes Bones

How Dangerous is a Slingshot?

$1 vs $2,500 Butterfly Knife

Cracking Any Lock from $1 to $500

Learning 24 Skills in 24 Hours

World's 5 Most Unique YoYos

How Hard is 3D Drawing?

Learning Impossible Skills (Level 1 to Level 100)

Holding Breath for 4 Minutes to Beat a Fear

How Dangerous is a Whip?

Learning The Hardest Skills in Sports

I Learned 167 Skills in 3 Years, Can I Still Do Them?

I Learned the Coolest Umbrella Trick

How Hard is the World's Hardest Exercise?

I Learned The World's Deadliest Skills

I Learned the 1 Inch Punch

I Tried Impossible Shaolin Kung-Fu Techniques

I Learned to Throw a Pencil

I Learned to Break Handcuffs

Can You Stop a Bullet with An Arrow?